[root@localhost imoocc_online]# python ./manage.py makemigrations

Traceback (most recent call last):

  File "./manage.py", line 15, in <module>

    execute_from_command_line(sys.argv)

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/core/management/__init__.py", line 364, in execute_from_command_line

    utility.execute()

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/core/management/__init__.py", line 356, in execute

    self.fetch_command(subcommand).run_from_argv(self.argv)

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/core/management/base.py", line 283, in run_from_argv

    self.execute(*args, **cmd_options)

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/core/management/base.py", line 327, in execute

    self.check()

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/core/management/base.py", line 359, in check

    include_deployment_checks=include_deployment_checks,

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/core/management/base.py", line 346, in _run_checks

    return checks.run_checks(**kwargs)

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/core/checks/registry.py", line 81, in run_checks

    new_errors = check(app_configs=app_configs)

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/core/checks/model_checks.py", line 30, in check_all_models

    errors.extend(model.check(**kwargs))

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/db/models/base.py", line 1284, in check

    errors.extend(cls._check_fields(**kwargs))

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/db/models/base.py", line 1359, in _check_fields

    errors.extend(field.check(**kwargs))

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/db/models/fields/__init__.py", line 913, in check

    errors = super(AutoField, self).check(**kwargs)

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/db/models/fields/__init__.py", line 219, in check

    errors.extend(self._check_backend_specific_checks(**kwargs))

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/db/models/fields/__init__.py", line 322, in _check_backend_specific_checks

    return connections[db].validation.check_field(self, **kwargs)

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/db/backends/mysql/validation.py", line 49, in check_field

    field_type = field.db_type(self.connection)

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/db/models/fields/__init__.py", line 644, in db_type

    return connection.data_types[self.get_internal_type()] % data

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/utils/functional.py", line 35, in __get__

    res = instance.__dict__[self.name] = self.func(instance)

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/db/backends/mysql/base.py", line 174, in data_types

    if self.features.supports_microsecond_precision:

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/utils/functional.py", line 35, in __get__

    res = instance.__dict__[self.name] = self.func(instance)

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/db/backends/mysql/features.py", line 53, in supports_microsecond_precision

    return self.connection.mysql_version >= (5, 6, 4) and Database.version_info >= (1, 2, 5)

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/utils/functional.py", line 35, in __get__

    res = instance.__dict__[self.name] = self.func(instance)

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/db/backends/mysql/base.py", line 385, in mysql_version

    with self.temporary_connection() as cursor:

  File "/usr/local/python3.6.5/lib/python3.6/contextlib.py", line 81, in __enter__

    return next(self.gen)

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/db/backends/base/base.py", line 591, in temporary_connection

    cursor = self.cursor()

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/db/backends/base/base.py", line 254, in cursor

    return self._cursor()

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/db/backends/base/base.py", line 229, in _cursor

    self.ensure_connection()

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/db/backends/base/base.py", line 213, in ensure_connection

    self.connect()

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/db/backends/base/base.py", line 189, in connect

    self.connection = self.get_new_connection(conn_params)

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/django/db/backends/mysql/base.py", line 274, in get_new_connection

    conn = Database.connect(**conn_params)

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/MySQLdb/__init__.py", line 80, in Connect

    from MySQLdb.connections import Connection

  File "/usr/local/python3.6.5/lib/python3.6/site-packages/MySQLdb/connections.py", line 36

    raise errorclass, errorvalue

                    ^